IC PWR SUPPLY DDR 28-TQFN

MAX8632ETI+T

Manufacturer Part NumberMAX8632ETI+T
DescriptionIC PWR SUPPLY DDR 28-TQFN
ManufacturerMaxim Integrated Products
MAX8632ETI+T datasheet
 


Specifications of MAX8632ETI+T

ApplicationsController, DDRVoltage - Input2 ~ 28 V
Number Of Outputs1Voltage - Output1.8V, 2.5V, 0.7 ~ 5.5 V
Operating Temperature-40°C ~ 85°CMounting TypeSurface Mount
Package / Case28-TQFN Exposed PadOutput Voltage1.8 V, 2.5 V, 0.7 V to 5.5 V
Output Current15 AInput Voltage2 V to 28 V
Mounting StyleSMD/SMTMaximum Operating Temperature+ 85 C
Minimum Operating Temperature- 40 CLead Free Status / RoHS StatusLead free / RoHS Compliant
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Integrated DDR Power-Supply Solution for
Desktops, Notebooks, and Graphic Cards
= 2.5V, TON = GND, SKIP = AV
(V
= 12V, V
VIN
OUT
LOAD TRANSIENT (BUCK)
MAX8632 toc10
I
= 1.5A, I
= 15mA
VTT
VTTR
V
OUT
100mV/div
VTT
50mV/div
VTTR
50mV/div
I
LOAD
5A/div
0A
10µs/div
POWER-UP WAVEFORMS
MAX8632 toc13
V
= 5V, I
= 12A, I
= 1.5A, I
= 15mA
DD
LOAD
VTT
VTTR
OUT
2V/div
0V
VTT
1V/div
0V
VTTR
1V/div
0V
V
IN
10V/div
0V
200µs/div
STARTUP AND SHUTDOWN INTO
LIGHT LOAD, DISCHARGE ENABLED
MAX8632 toc16a
I
= 1A,
LOAD
I
= NO LOAD
VTT
SHDN
5V/div
0V
V
DL
0V
10V/div
V
OUT
1V/div
0V
VTT
500mV/div
0V
400s/div
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
, circuit of Figure 8, T
= +25°C, unless otherwise noted.)
DD
A
LOAD TRANSIENT VTT (-1.5A TO +1.5A)
MAX8632 toc11
V
50mV/div
I
= 12A, I
= 15mA
LOAD
VTTR
VTT
50mV/div
VTTR
50mV/div
0A
I
VTT
1A/div
10µs/div
POWER-DOWN WAVEFORMS
MAX8632 toc14
V
= 5V, I
= 12A, I
= 1.5A, I
= 15mA
DD
LOAD
VTT
VTTR
OUT
2V/div
0V
VTT
1V/div
0V
VTTR
1V/div
0V
V
10V/div
0V
200µs/div
SHUTDOWN BY LOSS OF V
DD
MAX8632 toc16b
V
4V
2V/div
1.8V
V
500mV/div
V
0V
5V/div
I
OUT
0A
5A/div
200µs/div
LOAD TRANSIENT VTT (-3A TO +3A)
OUT
I
= 12A, I
= 15mA
LOAD
VTTR
0A
10µs/div
STARTUP AND SHUTDOWN INTO
HEAVY LOAD, DISCHARGE DISABLED
0V
0V
0V
0V
IN
400s/div
STANDBY RESPONSE
VTT LOADED AT 10Ω TO GND
DD
5V/div
500mV/div
OUT
500mV/div
DL
500mV/div
2ms/div
MAX8632 toc12
V
OUT
50mV/div
VTT
50mV/div
VTTR
50mV/div
I
VTT
2A/div
MAX8632 toc15
SHDN
5V/div
V
DL
10V/div
V
OUT
1V/div
VTT
500mV/div
I
= 10A,
LOAD
I
= 1.5A
VTT
MAX8632 toc17a
STBY
1.8V
V
OUT
0.9V
VTT
0.9V
VTTR
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